Isometric immersions of Kähler manifolds
Maria Joáo Ferreira, Marco Rigoli, Renato Tribuzy (1993)
Rendiconti del Seminario Matematico della Università di Padova
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Maria Joáo Ferreira, Marco Rigoli, Renato Tribuzy (1993)
Rendiconti del Seminario Matematico della Università di Padova
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Riemannian manifolds for which a natural skew-symmetric curvature operator has constant eigenvalues on helices are studied. A local classification in dimension three is given. In the three dimensional case one gets all locally symmetric spaces and all Riemannian manifolds with the constant principal Ricci curvatures , which are not locally homogeneous, in general.
J. Deprez, R. Deszcz, L. Verstraelen (1988)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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